Our subsidiary Enel Generación El Chocón is a generator that operates the El Chocón and Arroyito hydroelectric plants. El Chocón is located on the River Limay which flows into the River Neuquén where the Arroyito plant is located and acts as a downstream compensator dike for El Chocón. Both plants are located in the region known as Comahue, formed by the Neuquén and Río Negro Provinces and the southern part of the Buenos Aires Province.
The hydroelectric complex has a total installed capacity of 1,328 MW. The El Chocón plant is one of the country's two largest water and energy reservoirs and has an installed capacity of 1,200 MW (artificial hydropower reservoir), while Arroyito has an installed capacity of 128 MW.
Net generation registered by the complex during 2017 was 2,027 GWh. This production was constituted by 1,497 GWh of Chocón (74%), 411 GWh of Arroyito (20%) and 119 GWh of the motor generators (6%).